Appendix
The following topics offer additional information for your phone, including, troubleshooting, FCC information,
warranty information, and customer service contact information.
Troubleshooting
Check the questions and answers below for troubleshooting solutions for common phone issues.
Question: Phone freezes/operation is unstable.
Answer: Turn the phone off, then on again. If you are unable to turn the phone off, press and hold
the Power/Lock key for a few seconds to force your device to restart. Data that was being edited
is erased after your phone is powered on again.
Question: Cannot use phone, mail, or Internet.
Answer 1: Check whether you are in an area where cellular signal is weak or not available (“out of
service”).
Answer 2: Power the phone off, then on again.
Answer 3: Is the phone in Airplane mode? To check that Airplane mode is canceled:
Answer 4: Is data communication disabled? To check that data communication is enabled:
From the Home Screen, swipe up and tap Settings
network > Choose the mobile carrier > Mobile data
Question: Battery level goes down quickly.
Answer: Are you in an area where cellular signal is weak? Have you been in an “out of service” area
for a long period of time? Making calls or using data in areas where signal is weak or service is not
available uses a lot of power and drains the battery quickly.
Question: Cannot unlock screen.
Answer: Turn the phone off and then on again. If you are unable to turn the phone off, press
and hold the Power/Lock key for a few seconds to force your device to restart. Data that was
being edited is erased after your phone is powered off, then on again..
Question: Sound pops momentarily during a call.
Answer: Are you changing location while calling? You may experience a popping sound when the
cellular signal is weak and the phone switches to wireless coverage from a different cell sector or
tower.
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